Device for commingling flowing fluids in definite proportions



(No Model.) 3 Sheets-Sheet 1.

L. H. NASH.

DEVICE FOR GOMMINGLING FLOWING FLUIDS IN DBFINITB PROPORTIONS,

No. 353,705. Patented Dec. 7, 1886.

IJVVE-N'TOR .dttorneyq N. PETERS Photoiuhugmpher. Washington. n.c

(No Model.) 3 Sheets-Sheet 2.

L. H. NASH.

DEVICE FOR GOMM-INGLING FLOWING FLUIDS IN DEPINITE PROPORTIONS. No. 353,705. Patented Dec. 7, 1886.

3Sheets-Sheet 3.

(No Model.)

L. H. NASH.

DEVICE FOR OOMMINGLING FLOWING FLUIDS IN DEFINITE' PROPORTIONS.

Patented Dec. 7

v i 'll Illa? .dttorneyq N. PEYERS. Pholn lrlllugnpher, Wilslingkm, D. c.

UN TED STATES PATENT OFFICE.

LEWIS HALLOOK NASH, OF BROOKLYN, ASSIGNOB TO THE NATIONAL METER COMPANY, OF NEW YORK, N. Y.

DEVICE FOR COMMINGLING FLOWING FLUIDS IN DEFINITE PROPORTIONS.

SPECIFICATION forming part of Letters Patent No. 353,705, dated December 7, 1886.

Application filed September 23, 1885. Renewed October 7, 1886. Serial No. 215,623. (No model.)

To all whom it may concern.-

Be it known that I, LEWIs HALLOOK NASH, a citizen of the United States, residing at Brooklyn, in the county of Kings and State of New York, have invented new and useful Improvements in Devices for Commingling Flowing Fluids in Definite Proportions, of which the following is a specification.

The object of my invention is to mix flowing fluids in definite proportions for use in the arts.

My invention is designed to mix or intermi-ngle different liquids or different gases, or liquids with gasessuch as, for instance, as gas with airto form a combustible mixture for operating gas engines; but it is capable of varied applications in the arts. In its use the device forms the medium of receiving, mixing in definite proportions, and discharging the several constituents in intermingled condition. The device for carrying out this object is a closure of one or more chambers, each having at least one yielding wall, each having separate inlets, and each communicating with an outlet common to all, each chamber having an inlet-valve controlled by its yielding wall.

The accompanying drawings show modified constructions, in which Figure 1 represents a vertical section of the device for mixing two fluids, each flow having a controlling-valve; Fig. 2, an elevation of the same. Fig. 3shows the device as constructed with one flow-controlling valve; and Fig. 4 shows the device as constructed for mixing three several and distinct fluids, each flow having a controllingvalve. Fig. 5 represents a modification of the construction shown in Fig. 4.

The device consists of a closure or case, A, having one or more chambers, each having at least one yielding wall separating the flows, and when more than one chamber is used the device is divided by immovable partitions into separate chambers, each having a movable wall.

Referring to Figs. 1 and 2, the case is divided by an immovable partition, a, into two compartments, the heads whereof form the covers B B, which make joints upon the case. Each compartment is divided into two chambers by partitions which form a movable wall for each, which I prefer to make of flexible diaphragms ff secured in thejoining of the case-covers. The outer chamber 0 of one compartment connects with the inner chamber, D, of the other compartment by a passage, 0, placed, preferably, at the circumference, so as to equalize the pressures therein, while the outer chamber D of the other compartment connects with the chamber 0 by the case-ports d, for the same purpose. The outer chambers, G D, form the receivingchambers, and communicate by the passages c d with an outlet passage, H, common to all the chambers. These outlet passages c d have controlling-cocks 0 d for regulating the proportional quantity of the discharge of the separate flows. The movable walls of the chambers are connected with valves H H by stems t" i, for controlling the supply to the chambers, and I prefer to use the double-beat valves shown, placed in the inlet-passages V V, which are formed in the case-covers.

Referring to Fig. 3, the device is shown as having a single compartment divided by a movable partition-wall having an inlet-controlling valve for one of the flows only, the flow into the other chamber being uninterrupted, as shown at V Referring to Fig. 4, the device is shown as constructed for mixing three constituents, and therefore as having three separate compart ments, each having its own movable chamber forming partition-wall and inlet-controlling valve, and each chamber of each compartment communicating with a chamber of one of the other compartments, and the receivingchamber of each compartment communicating wit-h a discharge common to all the chambers.

- It will he understood that the influent con tro1ling-va1ves ,and the effluent controllingcocks are the samein the several modifications shown, and the provision for utilizing the pressure in the several communicating-chambers is identical.

I have described the movable walls as being formed of flexible diaphragms; but I may use sliding or swinging j0int-forming pistons for controlling the influent valves.

The operation of the devicein commingling flowing fluids in definite proportions is as follows, viz: The principle of operation being the same whether two or more fluids are commingled, I will describe the operation of the all the chambers is equalized.

commingling of three constituents, as illusw trated-in Fig. A. The flow being in all the chambers by their supply-pipes V V" V, if the pressure in any one of the receiving-chambers, as O and D, which is in communication with it, should become greater than in the other chambers the movable wall f. will be pressed farther into chamber 0, and thus close to some extent the controlling -valve H, tending to lessen the pressure in C. At the same time this pressure-chamber D will move the removable wall f into the chamber D, and thus open the valve H, thereby allowing a freer inlet to chamber D, increasing the pressure therein and in its communicating chamber E. This increase of pressure in chamber E will move the partition-wall f into chamber E, opening the valve H thus giving a freer inlet into chamber E, and increasing the pressure therein and into its communicating chamber .0,

through the passage connecting it with the discharge common to all will be exactly proportional to the capacity of its discharge-passage.

.By varying the capacity of the several discharge-passages any desiredproportional relation between the capacities of these passages can be effected, and thereby the relative proportions of the flowing constituents regulated.

In the application of the device for supplying'a gas-engine, the pipe H is connected with the supply-pipe of the engine, so that the air is drawn through the pipechamber and gas through the pipe of another chamber, and are commingled in the delivery-pipe. N 0 particular grouping-0f the compartments is essential, as long as they are conveniently arranged for cooperative action iii carrying out the method which I have described.

Instead of the receiving-chambers being connected alternately on each side of the dividingwalls, I may dispense with the immovable partitions shown in Fig. 4., in which case the receiving-chambers will be separated from a middle chamber, A, common to all the movable walls, and wherein the pressure would be equal to that of the receiving-chambers.

In Figs. 4 and 5 the outlet-passages c d. d in the chambers O D E lead to the outletpassage H, common to all said chambers, and these passages H are provided with regulatinge cocks.

The method herein described of commingling two or more flowing fluids in definite proportions for use in the arts, in which the separate constituents are equalized in their pressures in separate chambers by controlling the inflow therein by a wall moved by the variations in the pressure of the fluid on. its .opposite sides, and discharging each fluid through passages of determined capacity into a conduit common to all the chambers, is not claimed herein, as such invention forms the subject of a separate application for a patent filed by me of even date herewith.

I claim 1. The device herein described for commingling two or more flowing fluids in deflniteproportions having one or more compartments, each having a movable dividing-wall forming each compartment into two divisions, one of which receives one inflowing constituent and the other having communication with another inflowing constituent, in combination with a valve or valves controlled by the inflow, substantially as described.

2. In a commingling device for flowing fluids, the combination of a receiving-chamber for each constituent and a valve or valves for controlling the inflow of one or both constituents therein controlled by. said inflow, with a wall for said chamber operating said valve or valves by the unequal pressures in said chambers, and a discharge-orifice for each chamber entering a conduit common to both chambers, substantially as described.

3.. The combination, with a device for commingling two or more flowing fluids in definite proportions, of one or more compartments, a movable partition dividing said compartment into two divisions, a valve or valves connected with and controlled by said movable partition, and controllingcocks for regulating the proportional quantity of the discharge of the separate flows into a conduit common to all the chambers, substantially as herein set forth. A

'4. The device herein described for commingling two or more flowing fluidsin definite proportions, consisting of a closure of one or more chambers, each having at least one yielding wall, each having separate inlets and each communicating with an outlet common to all, each chamber having an inlet-valve controlled by its yielding wall and a cock for regulating the chamber discharge orifice, substantially as herein described.

5. In a fluid-commingling device, the combination of a closure having a receiving-chamber for each flowing constituent, with a movable wall having a connected valve controlling the influent ports, and efflnent passage controlled by a cock, anda meeting passage, H, for the commingled fluids communicating with the said chamber effluent passages, sub. stantially as described.

' In testimony whereof I have hereunto set my handin the presence of two subscribing witnesses.

LEWIS HALLOCK NASH.

Witnesses:

A. E. H. JOHNSON, J. W. HAMILTQN JOHNSON. 

